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when the writing point points upwards

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Industry

  • CPC
  • B43K5/1881
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43KIMPLEMENTS FOR WRITING OR DRAWING B43K5/00Pens with ink reservoirs in holders

Current Industry

B43K5/1881when the writing point points upwards
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Writing implement
    • Patent number 7,140,799
    • Issue date Nov 28, 2006
    • Mitsubishi Pencil Kabushikikaisha
    • Takeshi Kobayashi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Low-viscosity aqueous ink for a ball-point pen and a ball-point pen
    • Patent number 5,929,135
    • Issue date Jul 27, 1999
    • Mitsubishi Pencil Kabushiki Kaisha
    • Eiji Wasai
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ball-point pen cap
    • Patent number 5,915,871
    • Issue date Jun 29, 1999
    • Mitsubishi Pencil Kabushiki Kaisha
    • Seiichi Kobayashi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Erasing liquid pen
    • Patent number 5,915,872
    • Issue date Jun 29, 1999
    • Kabushiki Kaisha Pilot
    • Minoru Machida
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multiplex writing implement
    • Patent number 5,899,618
    • Issue date May 4, 1999
    • Mitsubishi Pencil Kabushiki Kaisha
    • Seiichi Kobayashi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Clicking-type writing implement
    • Patent number 5,871,296
    • Issue date Feb 16, 1999
    • Mitsubishi Pencil Kabushiki Kaisha
    • Kazuhiko Furukawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument with check valve means
    • Patent number 5,868,512
    • Issue date Feb 9, 1999
    • Kotobuki & Co., Ltd.
    • Makoto Fukushima
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ball-point pen with back flow stop
    • Patent number 5,711,626
    • Issue date Jan 27, 1998
    • Mitsubishi Pencil Kabushiki Kaisha
    • Seiichi Kobayashi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ballpoint pen having a backflow preventing mechanism
    • Patent number 5,709,493
    • Issue date Jan 20, 1998
    • Mitsubishi Pencil Kabushiki Kaisha
    • Seiichi Kobayashi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ball-point pen
    • Patent number 5,655,847
    • Issue date Aug 12, 1997
    • Mitsubishi Pencil Kabushiki Kaisha
    • Seiichi Kobayashi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing implement and a fabricating method thereof
    • Patent number 5,348,411
    • Issue date Sep 20, 1994
    • Kabushiki Kaisha Sakura Kurepasu
    • Tatsuya Ozu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3788753
    • Patent number 3,788,753
    • Issue date Jan 29, 1974
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    Writing implement
    • Publication number 20060182489
    • Publication date Aug 17, 2006
    • Takeshi Kobayashi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Back flow preventing mechanism for writing implement
    • Publication number 20030156887
    • Publication date Aug 21, 2003
    • Jason E. Cantu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES